{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0xb86f56abcdcd8e5e2c1ead597d232dc619e686d2a89c249026677b9c8f1a06c7",
    "signature": "0x4cfd80c9db75a16fec9a6f59ed6eee5bed599e249305ffb4bab5becb9ae8c0cc215d5ffe615cff4cb036bb756b8f25d7b9422274e8e968d36970fb61c36a16061c",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}